參數(shù)資料
型號: 68HC05J5A
廠商: Motorola, Inc.
英文描述: 8-Bit Microcontroller Units (MCU).(8位微控制器)
中文描述: 8位微控制器單元(MCU)。(8位微控制器)
文件頁數(shù): 19/106頁
文件大?。?/td> 1069K
代理商: 68HC05J5A
July 16, 1999
GENERAL RELEASE SPECIFICATION
MC68HC05J5A
REV 2.1
MEMORY
MOTOROLA
2-1
SECTION 2
MEMORY
The MC68HC05J5A has 4K-bytes of addressable memory consisting 32 bytes of
I/O, 128 bytes of user RAM, and 2560 bytes of user ROM, as shown in
Figure 2-1
.
Figure 2-1. MC68HC05J5A Memory Map
ROM Reserved
6 Bytes
User Vectors ROM
10 Bytes
unimplemented
96 Bytes
3327
3328
4095
4086
3583
3584
Stack
User RAM 128 Bytes
Reset Vector (Low Byte)
Reset Vector (High Byte)
SWI Vector (Low Byte)
SWI Vector (High Byte)
IRQ Vector (Low Byte)
IRQ Vector (High Byte)
MFT Vector (Low Byte)
MFT Vector (High Byte)
$0FF7
$0FF8
$0FF9
$0FFA
$0FFB
$0FFC
$0FFD
$0FFE
$0FFF
$001F
$0000
$0100
$00FF
0255
0256
I/O
32 Bytes
0032
0031
0000
$0FFF
$0FF0
$0FF5
$0FEF
$0D00
$0CFF
$0080
$007F
$0020
$001F
$0000
User ROM
2560 Bytes
I/O
Registers
32 bytes
(see
Figure 2-2
)
0128
0127
unimplemented
512 Bytes
$0FF6
$0FF3
$0FF4
$0FF5
$0FF2
$0FF1
$0FF0
COP Watchdog Timer*
$0DFF
$0E00
4079
4080
Internal Test & Vectors
496 Bytes ROM
* Writing a 0 to bit 0 of $0FF0 clears the COP Timer.
Reading $0FF0 returns ROM data.
Timer1 Vector (Low Byte)
Reserved
Timer1 Vector (High Byte)
Reserved
Reserved
Reserved
Reserved
$0FF6
4085
unimplemented
256 Bytes
0767
0768
$0300
$02FF
0192
$00C0
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